CVE-2023-21464

Local status modification via undisclosed access-control flaw

Published Mar 16, 2023 · Updated Aug 2, 2024

Improper access control in Samsung Calendar before 12.3.08.2000 on Android 12 or 12.4.02.9000 on Android 13 allows local users to alter status. Samsung has not disclosed which component or status is affected, or how the removed unnecessary code bypasses access control. The flaw is reachable locally without user interaction and changes application state without reported data disclosure or service interruption.

CVSS severity4.0
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Samsung Calendar before 12.3.08.2000 on Android 12 or 12.4.02.9000 on Android 13 allows local users to alter status. Samsung has not disclosed which component or status is affected, or how the removed unnecessary code bypasses access control. The flaw is reachable locally without user interaction and changes application state without reported data disclosure or service interruption.

The record

CVE
CVE-2023-21464
Published
Mar 16, 2023
Updated
Aug 2, 2024
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Calendar
Classifications
CWE-281
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <12.4.02.9000 in Android 13 and 12.3.08.2000 in Android 12

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Calendarversion=unspecified <12.4.02.9000 in Android 13 and 12.3.08.2000 in Android 12

Published CVSS scores

3.3NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0Samsung MobileCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-281Improper Preservation of Permissions

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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